Fixes required for tests to work on Hetzner Cloud

other IPv6 addr, explicit 8.8.8.8 dns

(cherry-picked a028c29)

Author: ilejn

.github/workflows/release_branches.yml

@@ -379,6 +379,18 @@ jobs:
     runs-on: [self-hosted, style-checker, on-demand, type-cpx51, image-x86-app-docker-ce]
     timeout-minutes: 180
     steps:
+      - name: Setup
+        run: |
+          sudo touch /etc/docker/daemon.json
+          sudo chown ubuntu:ubuntu /etc/docker/daemon.json
+          sudo cat <<EOT > /etc/docker/daemon.json
+            {
+               "ipv6": true,
+               "fixed-cidr-v6": "2001:3984:3989::/64"
+            }
+          EOT
+          sudo chown root:root /etc/docker/daemon.json
+          sudo systemctl restart docker
       - name: Set envs
         run: |
           cat >> "$GITHUB_ENV" << 'EOF'
@@ -473,7 +485,7 @@ jobs:
           sudo cat <<EOT > /etc/docker/daemon.json
             {
                "ipv6": true,
-               "fixed-cidr-v6": "2001:db8:1::/64"
+               "fixed-cidr-v6": "2001:3984:3989::/64"
             }
           EOT
           sudo chown root:root /etc/docker/daemon.json
@@ -543,6 +555,18 @@ jobs:
     runs-on: [self-hosted, func-tester, on-demand, type-ccx53, image-x86-app-docker-ce]
     timeout-minutes: 180
     steps:
+      - name: Setup
+        run: |
+          sudo touch /etc/docker/daemon.json
+          sudo chown ubuntu:ubuntu /etc/docker/daemon.json
+          sudo cat <<EOT > /etc/docker/daemon.json
+            {
+               "ipv6": true,
+               "fixed-cidr-v6": "2001:3984:3989::/64"
+            }
+          EOT
+          sudo chown root:root /etc/docker/daemon.json
+          sudo systemctl restart docker
       - name: Set envs
         run: |
           cat >> "$GITHUB_ENV" << 'EOF'
@@ -559,7 +583,7 @@ jobs:
           sudo cat <<EOT > /etc/docker/daemon.json
             {
                "ipv6": true,
-               "fixed-cidr-v6": "2001:db8:1::/64"
+               "fixed-cidr-v6": "2001:3984:3989::/64"
             }
           EOT
           sudo chown root:root /etc/docker/daemon.json

tests/ci/functional_test_check.py

@@ -107,6 +107,7 @@ def get_run_command(
 
     return (
         f"docker run --volume={builds_path}:/package_folder "
+        f"--dns=8.8.8.8 "
         f"--volume={repo_tests_path}:/usr/share/clickhouse-test "
         f"--volume={result_path}:/test_output --volume={server_log_path}:/var/log/clickhouse-server "
         f"--cap-add=SYS_PTRACE {env_str} {additional_options_str} {image}"